U. S. NATIONAL MUSEUM 



PROCEEDINGS. VOL. 81 . ART. 13 PL 1 



1. FiiHcioUi hepnticd: Froin Orciims (irrn. Original. 

 2-b. Campula oblonya: 2, Aher ('(jhoohl, 18.')8; 3, original; 4, section tlirougli iio.sltMior t'lnl of body 

 showing opening.s of intestinal ceca, original; 5, egg: (a) Cross section, (h) lateral view, original. 



